Home / 1,440,100.60-2,159,114.10-809,207.80

Finding the Fourth Proportional to 1,440,100.60, 2,159,114.10 and 809,207.80

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Solution

The fourth proportional to 1,440,100.60, 2,159,114.10 and 809,207.80 is: 1,213,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,100.60 : 2,159,114.10 = 809,207.80 : x
  2. Step 2: Convert to fraction form
    1,440,100.60/2,159,114.10 = 809,207.80/x
  3. Step 3: Cross multiply
    1,440,100.60x = 2,159,114.10 × 809,207.80
  4. Step 4: Simplify right side
    1,440,100.60x = 1,747,171,970,809.98
  5. Step 5: Solve for x
    x = 1,747,171,970,809.98/1,440,100.60
  6. Step 6: Final answer
    x = 1,213,229.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.